Ammonia is a fish matter transformation collateral product. They simply pee with ammonia because it is not toxic for them since ammonia will quickly dissolve in water.
The second thing i can think of is that ammonia is used by nitryfing bacteria. They use ammonia which is found in extrements of birds, water from rain to oxidase it to nitric acid, giving them energy.
The answer to this question
Is : 193g
Answer : The specific heat of this substance is, 1.13 J/g.K
Explanation :
Molar heat capacity : It is defined as the amount of heat absorbed by one mole of a substance to raise its temperature by one degree Celsius.
As we are given that the chemical formula of compound is, 
First we have to calculate the molar mass of given compound.
Molar mass of
= 
Molar mass of
= 78 g/mol
Now we have to calculate the specific heat of this substance.
Specific heat of this substance = 
Specific heat of this substance = 
Specific heat of this substance = 1.13 J/g.K
Thus, the specific heat of this substance is, 1.13 J/g.K
Answer:
No, it is not enthalpy favored since the chemical system gains energy.
Explanation:
The dissolution of ammonium nitrate in water is an endothermic process.
Endothermic process requires the system to gain energy to can dissolve the particles in water.
So, the reaction is not enthalpy favored.
Answer:What are the two half reactions that show how many electrons are gained or lost by each species in the reaction:
Ni2+(aq) + Mg(s) → Ni(s) + Mg2+(aq)?
atoms cannot be created or destroyed in a chemical reaction